<template>
  <div style="display: none">
    <iframe :id="id" :src="url" frameborder="0" width="100%" height="550px" scrolling="auto"></iframe>
  </div>
</template>

<script>
//import Vue from 'vue'
import { ACCESS_TOKEN } from "@/store/mutation-types";

export default {
  name: "PdfPreviewModal",
  data() {
    return {
      url: window._CONFIG["pdfDomainURL"],
      id: "pdfPreviewIframe",
      headers: {}
    };
  },
  created() {
    const token = Vue.ls.get(ACCESS_TOKEN);
    this.headers = { "X-Access-Token": token };
  },
  computed: {},
  mounted() {
    window.addEventListener("message", this.handleScanFileMessage);
  },
  methods: {
    handleScanFileMessage(event) {
      // 根据上面制定的结构来解析iframe内部发回来的数据
      const data = event.data;
      console.log(data);
    },

    previewFiles(title, token) {
      var iframe = document.getElementById("pdfPreviewIframe");
      var json = { title: title, token: token };
      iframe.contentWindow.postMessage(json, "*");
    }
  }
};
</script>

<style scoped>
</style>